Food Yellow 4:1
食品黄4铝色淀
Also known as: Tartrazine aluminum lake, Acid Yellow 23 Aluminum Lake, C.I. 19140:1, C.I. Pigment Yellow 100, KI4, Aluminum,4-[[3-carboxy-5-oxo-1-(4-sulfophenyl)-4H-pyrazol-4-yl]diazenyl]benzenesulfonate, 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)- aluminum salt
Food Yellow 4:1 (CAS 12225-21-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H9N4Na3O9S2 and a molecular weight of 534.36300 g/mol. It is also known as Tartrazine aluminum lake, Acid Yellow 23 Aluminum Lake and C.I. 19140:1. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 12225-21-7
- Jingsj CID
- J-1043839-8
- Molecular Formula
- C16H9N4Na3O9S2
- Chinese Name
- 食品黄4铝色淀
- Molecular Weight
- 534.36300 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of Food Yellow 4:1?
The CAS number of Food Yellow 4:1 is 12225-21-7.
What are the molecular formula and molecular weight of Food Yellow 4:1?
Food Yellow 4:1 has molecular formula C16H9N4Na3O9S2 and molecular weight 534.36300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Food Yellow 4:1 (CAS 12225-21-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1043839-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.